package com.lanzx.gulimall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.lanzx.gulimall.common.to.es.SkuEsModel;
import com.lanzx.gulimall.search.constant.EsConstant;
import com.lanzx.gulimall.search.service.ProductSaveService;
import com.lanzx.gulimall.search.config.ElasticsearchConfig;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkItemResponse;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author: lanzx
 * @description:
 * @date: 2020/12/23 22:39
 */
@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    RestHighLevelClient client;

    @Override
    public Boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        // 将数据保存到 es
        //BulkRequest bulkRequest, RequestOptions options
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel skuEsModel : skuEsModels) {
            // 构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(skuEsModel.getSkuId().toString());

            String jsonString = JSON.toJSONString(skuEsModel);
            indexRequest.source(jsonString, XContentType.JSON);

            bulkRequest.add(indexRequest);
        }
        BulkResponse bulk = client.bulk(bulkRequest, ElasticsearchConfig.COMMON_OPTIONS);

        // 统计是否有上架失败的商品
        boolean b = bulk.hasFailures();
        if (b) {
            List<String> errorItem = Arrays.stream(bulk.getItems()).filter(BulkItemResponse::isFailed).map(BulkItemResponse::getId).collect(Collectors.toList());
            log.error("商品上架错误，错误的ID有：{}", errorItem);
        }
        return !b;
    }
}
